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Date: Wed, 5 Mar 2014 21:23:17 +0800 From: Fengguang Wu <fengguang.wu@...el.com> To: Martin Pitt <martin.pitt@...ntu.com> Cc: Johannes Berg <johannes.berg@...el.com>, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [mac80211_hwsim] BUG: unable to handle kernel paging request at ce1db404 Hi Martin, Here is another dmesg for the same commit. +--------------------------------------------+--------------+--------------+ | | ddc4db2e3d53 | b148a42ba782 | +--------------------------------------------+--------------+--------------+ | boot_successes | 51 | 0 | | boot_failures | 18 | 19 | | BUG:kernel_boot_crashed | 14 | | | BUG:kernel_boot_hang | 4 | | | BUG:unable_to_handle_kernel_paging_request | 0 | 19 | | Oops:PREEMPT_SMP_DEBUG_PAGEALLOC | 0 | 19 | | EIP_is_at_kobject_get | 0 | 19 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 19 | | backtrace:platform_driver_unregister | 0 | 19 | | backtrace:init_mac80211_hwsim | 0 | 19 | | backtrace:kernel_init_freeable | 0 | 19 | +--------------------------------------------+--------------+--------------+ [ 3.944168] ieee80211 phy0: Failed to select rate control algorithm [ 3.945121] ieee80211 phy0: Failed to initialize rate control algorithm [ 3.951133] mac80211_hwsim: ieee80211_register_hw failed (-2) [ 3.952918] BUG: unable to handle kernel paging request at ce1db404 [ 3.953756] IP: [<c1179574>] kobject_get+0xf/0x3c [ 3.953756] *pdpt = 0000000001dfd001 *pde = 000000000fbf4067 *pte = 800000000e1db060 [ 3.953756] Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 3.953756] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc4-next-20140228-05738-gb148a42 #8 [ 3.953756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.953756] task: c0020000 ti: c0022000 task.ti: c0022000 [ 3.953756] EIP: 0060:[<c1179574>] EFLAGS: 00010286 CPU: 1 [ 3.953756] EIP is at kobject_get+0xf/0x3c [ 3.953756] EAX: 00000001 EBX: ce1db3e8 ECX: c123a140 EDX: ce1da174 [ 3.953756] ESI: c1ba75bc EDI: 00000000 EBP: c0023ee4 ESP: c0023ee0 [ 3.953756] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 3.953756] CR0: 8005003b CR2: ce1db404 CR3: 01e00000 CR4: 000006b0 [ 3.953756] Stack: [ 3.953756] ce1db3e0 c0023eec c12377de c0023f00 c123a165 c1ba75bc fffffffe 00000000 [ 3.953756] c0023f0c c1239433 c1ba75bc c0023f18 c123a535 00000000 c0023f20 c123b3aa [ 3.953756] c0023f34 c1c4ac9f c1c4a8fa 00000000 c1ca3f34 c0023f90 c1c1e9d4 cfff99e1 [ 3.953756] Call Trace: [ 3.953756] [<c12377de>] get_device+0xf/0x17 [ 3.953756] [<c123a165>] driver_detach+0x38/0x8f [ 3.953756] [<c1239433>] bus_remove_driver+0x53/0x66 [ 3.953756] [<c123a535>] driver_unregister+0x38/0x3d [ 3.953756] [<c123b3aa>] platform_driver_unregister+0xb/0xd [ 3.953756] [<c1c4ac9f>] init_mac80211_hwsim+0x3a5/0x3b6 [ 3.953756] [<c1c4a8fa>] ? carl9170_driver_init+0x16/0x16 [ 3.953756] [<c1c1e9d4>] do_one_initcall+0x6e/0xec [ 3.953756] [<c1c1e400>] ? do_early_param+0x54/0x73 [ 3.953756] [<c1047e61>] ? parse_args+0x16d/0x207 [ 3.953756] [<c1c1ebd9>] kernel_init_freeable+0x187/0x1ff [ 3.953756] [<c172f2e1>] kernel_init+0x8/0xb8 [ 3.953756] [<c173ff37>] ret_from_kernel_thread+0x1b/0x28 [ 3.953756] [<c172f2d9>] ? rest_init+0x10d/0x10d [ 3.953756] Code: c1 50 53 68 54 80 a7 c1 e8 b6 a6 5b 00 e8 4c ca 5b 00 83 c4 0c 8d 65 f8 5b 5e 5d c3 55 85 c0 89 e5 53 89 c3 74 2d b8 01 00 00 00 <f0> 0f c1 43 1c 40 48 7f 1f 80 3d 87 5c c1 c1 00 75 16 ba 2f 00 [ 3.953756] EIP: [<c1179574>] kobject_get+0xf/0x3c SS:ESP 0068:c0023ee0 [ 3.953756] CR2: 00000000ce1db404 [ 3.953756] ---[ end trace 2a524e21791d1385 ]--- [ 3.953756] Kernel panic - not syncing: Fatal exception git bisect start v3.10 v3.9 -- git bisect bad ff89acc563a0bd49965674f56552ad6620415fe2 # 03:01 0- 2 Merge branch 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu git bisect bad 24d0c2542b38963ae4d5171ecc0a2c1326c656bc # 03:03 0- 2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs git bisect good 151173e8ce9b95bbbbd7eedb9035cfaffbdb7cb2 # 03:11 20+ 20 Merge tag 'for-v3.10' of git://git.infradead.org/battery-2.6 git bisect bad e95893004104054d49406fd108fefa3ddc054366 # 03:13 0- 4 Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost git bisect good 8a72f3820c4d14b27ad5336aed00063a7a7f1bef # 03:19 20+ 20 Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile git bisect bad 600fe9751aeb6f6b72de84076a05c5b8c04152c0 # 03:21 0- 5 ipc_schedule_free() can do vfree() directly now git bisect bad 126de6b20bfb82cc19012d5048f11f339ae5a021 # 03:23 0- 1 linkage.h: fix build breakage due to symbol prefix handling git bisect good 251df49db3327c64bf917bfdba94491fde2b4ee0 # 03:27 20+ 20 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input git bisect bad 73287a43cc79ca06629a88d1a199cd283f42456a # 03:29 0- 2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next git bisect good 953c96e0d85615d1ab1f100e525d376053294dc2 # 03:37 20+ 0 tg3: Use bool not int git bisect bad 4fc4118cdb29ab946b8a586fc766ebb6ae1e1c90 # 03:39 0- 2 wil6210: more Rx descriptor accessor functions git bisect good e73dcfbf061b524fe9aaef56cf3c2e234a45ec19 # 03:46 20+ 7 Bluetooth: hidp: fix sending output reports on intr channel git bisect good d5590bba37f3c7d496195648532d5313abb43891 # 03:50 20+ 0 NFC: pn533: Re-group fields in struct pn533 git bisect bad 06d961a8e210035bff7e82f466107f9ab4a8fd94 # 03:52 0- 7 mac80211/minstrel: use the new rate control API git bisect bad 97990a060e6757f48b931a3946b17c1c4362c3fb # 03:54 0- 3 nl80211: allow using wdev identifiers to get scan results git bisect bad 85220d71bf3ca1ba9129e0744247ae5f61bec559 # 03:56 1- 5 mac80211: support secondary channel offset in CSA git bisect bad 0ca54f6c5fd4ce58aa044d1fc7f00d7f6cf2801c # 03:57 1- 6 mac80211: provide SSID in IBSS mode git bisect bad 3088f7d2db42925808c4b43a6258647ee4d1dd5f # 03:59 3- 8 mac80211: stringify another plink state git bisect bad 9d6d6f4924133567a108a862d9cf949cd03f71cb # 04:02 0- 2 mac80211: unset FC retry bit in mesh fwding path git bisect bad 9ea927748ced4953f1e9a0f1fa1fdeacd1018b4e # 04:05 0- 9 mac80211_hwsim: Register and bind to driver # first bad commit: [9ea927748ced4953f1e9a0f1fa1fdeacd1018b4e] mac80211_hwsim: Register and bind to driver git bisect good ddc4db2e3d5393ede7a9222bb3b7522a603a4678 # 04:27 69+ 18 mac80211: make ieee802_11_parse_elems an inline git bisect bad b148a42ba7823e34971cd4e5b05a5c74fa3311ed # 04:27 0- 19 Add linux-next specific files for 20140228 git bisect bad d8efcf38b13df3e9e889cf7cc214cb85dc53600c # 04:30 0- 3 Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm git bisect bad b148a42ba7823e34971cd4e5b05a5c74fa3311ed # 04:30 0- 19 Add linux-next specific files for 20140228 Thanks, Fengguang View attachment "dmesg-yocto-xian-30:20140301010913:i386-randconfig-c5-03010009:3.14.0-rc4-next-20140228-05738-gb148a42:8" of type "text/plain" (42265 bytes) View attachment "config-3.14.0-rc4-next-20140228-05738-gb148a42" of type "text/plain" (91791 bytes)
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